Tag Archives: Spread of Covid-19

Covid-19 Podcast: New Studies On Transmission

In this audio interview conducted on November 25, 2020, the editors look at new studies of disease transmission in closed environments and provide updates on convalescent plasma and hydroxychloroquine.

Science Podcast: Covid-19 In Schools, Why Leaves Die And Fall From Trees

Many schools closed in the spring, during the first wave of the coronavirus pandemic. Many opened in the fall. Staff Writer Jennifer Couzin-Frankel joins host Sarah Crespi to talk about what was learned in spring about how coronavirus spreads in schools that might help keep children safe as cases surge once again. 

Also this week: What makes leaves fall off deciduous trees when they do—is it the short, cold nights? Or is the timing of so-called “leaf senescence” linked to when spring happens? Sarah talked to Constantin Zohner, a lead scientist at the Institute of Integrative Biology at ETH Zurich, about his tree leaf timing study. Sarah also spoke with commentary author Christy Rollinson, a forest ecologist at the Morton Arboretum, about how important these trees and the timing of their leaf drop is for climate change. In the books segment, host Kiki Sanford talks with Ruth DeFries about her book, What Would Nature Do? A Guide for Our Uncertain Times.

Covid-19: ‘Ventilation Key To Limiting Spread’ (Video)

As the weather gets colder and people head indoors, the risk of catching Covid-19 is rising. WSJ explains why air ventilation and filtration are one of our biggest defenses against the coronavirus this winter.

Illustration: Nick Collingwood/WSJ